./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 14:06:35,392 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 14:06:35,400 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 14:06:35,436 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 14:06:35,436 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 14:06:35,437 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 14:06:35,438 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 14:06:35,439 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 14:06:35,440 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 14:06:35,441 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 14:06:35,442 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 14:06:35,442 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 14:06:35,443 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 14:06:35,443 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 14:06:35,444 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 14:06:35,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 14:06:35,446 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 14:06:35,447 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 14:06:35,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 14:06:35,450 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 14:06:35,451 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 14:06:35,452 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 14:06:35,453 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 14:06:35,453 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 14:06:35,455 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 14:06:35,455 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 14:06:35,456 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 14:06:35,456 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 14:06:35,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 14:06:35,457 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 14:06:35,457 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 14:06:35,458 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 14:06:35,471 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 14:06:35,472 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 14:06:35,472 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 14:06:35,472 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 14:06:35,473 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 14:06:35,473 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 14:06:35,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 14:06:35,476 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 14:06:35,476 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 14:06:35,477 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 14:06:35,507 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 14:06:35,507 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 14:06:35,508 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 14:06:35,508 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 14:06:35,508 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 14:06:35,509 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 14:06:35,509 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 14:06:35,509 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 14:06:35,509 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 14:06:35,509 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 14:06:35,510 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 14:06:35,510 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 14:06:35,510 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 14:06:35,510 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 14:06:35,510 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 14:06:35,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 14:06:35,510 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 14:06:35,511 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 14:06:35,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 14:06:35,511 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 14:06:35,511 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 14:06:35,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 14:06:35,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 14:06:35,511 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 14:06:35,512 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 14:06:35,512 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 14:06:35,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 14:06:35,512 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 14:06:35,512 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 14:06:35,512 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 14:06:35,512 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 14:06:35,513 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 [2021-12-18 14:06:35,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 14:06:35,704 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 14:06:35,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 14:06:35,709 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 14:06:35,709 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 14:06:35,710 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-12-18 14:06:35,763 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0507213d6/05c952fea4904a43a579a81800c0a4e4/FLAG26f5a3bc0 [2021-12-18 14:06:36,463 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 14:06:36,464 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-12-18 14:06:36,509 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0507213d6/05c952fea4904a43a579a81800c0a4e4/FLAG26f5a3bc0 [2021-12-18 14:06:36,788 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0507213d6/05c952fea4904a43a579a81800c0a4e4 [2021-12-18 14:06:36,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 14:06:36,792 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 14:06:36,793 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 14:06:36,793 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 14:06:36,795 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 14:06:36,796 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 02:06:36" (1/1) ... [2021-12-18 14:06:36,796 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@351f627d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:06:36, skipping insertion in model container [2021-12-18 14:06:36,797 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 02:06:36" (1/1) ... [2021-12-18 14:06:36,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 14:06:36,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 14:06:40,324 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[479863,479876] [2021-12-18 14:06:40,326 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480032,480045] [2021-12-18 14:06:40,327 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480199,480212] [2021-12-18 14:06:40,327 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480367,480380] [2021-12-18 14:06:40,357 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 14:06:40,398 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 14:06:40,786 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[479863,479876] [2021-12-18 14:06:40,787 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480032,480045] [2021-12-18 14:06:40,788 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480199,480212] [2021-12-18 14:06:40,788 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480367,480380] [2021-12-18 14:06:40,793 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 14:06:40,903 INFO L208 MainTranslator]: Completed translation [2021-12-18 14:06:40,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:06:40 WrapperNode [2021-12-18 14:06:40,904 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 14:06:40,905 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 14:06:40,905 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 14:06:40,905 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 14:06:40,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:06:40" (1/1) ... [2021-12-18 14:06:41,047 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:06:40" (1/1) ... [2021-12-18 14:06:41,272 INFO L137 Inliner]: procedures = 544, calls = 4122, calls flagged for inlining = 248, calls inlined = 231, statements flattened = 8578 [2021-12-18 14:06:41,273 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 14:06:41,274 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 14:06:41,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 14:06:41,275 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 14:06:41,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:06:40" (1/1) ... [2021-12-18 14:06:41,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:06:40" (1/1) ... [2021-12-18 14:06:41,330 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:06:40" (1/1) ... [2021-12-18 14:06:41,331 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:06:40" (1/1) ... [2021-12-18 14:06:41,484 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:06:40" (1/1) ... [2021-12-18 14:06:41,520 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:06:40" (1/1) ... [2021-12-18 14:06:41,560 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:06:40" (1/1) ... [2021-12-18 14:06:41,617 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 14:06:41,618 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 14:06:41,618 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 14:06:41,620 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 14:06:41,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:06:40" (1/1) ... [2021-12-18 14:06:41,627 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 14:06:41,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 14:06:41,661 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-18 14:06:41,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-18 14:06:41,702 INFO L130 BoogieDeclarations]: Found specification of procedure disable_ast [2021-12-18 14:06:41,703 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_ast [2021-12-18 14:06:41,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 14:06:41,703 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 14:06:41,703 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-18 14:06:41,703 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-18 14:06:41,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 14:06:41,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 14:06:41,704 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2021-12-18 14:06:41,704 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2021-12-18 14:06:41,704 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_put_cache [2021-12-18 14:06:41,704 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_put_cache [2021-12-18 14:06:41,704 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-12-18 14:06:41,704 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-12-18 14:06:41,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_de4x5_private [2021-12-18 14:06:41,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_de4x5_private [2021-12-18 14:06:41,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 14:06:41,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 14:06:41,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_de4x5_private [2021-12-18 14:06:41,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_de4x5_private [2021-12-18 14:06:41,705 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_mii [2021-12-18 14:06:41,705 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_mii [2021-12-18 14:06:41,706 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_switch_mac_port [2021-12-18 14:06:41,706 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_switch_mac_port [2021-12-18 14:06:41,706 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-18 14:06:41,706 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-18 14:06:41,706 INFO L130 BoogieDeclarations]: Found specification of procedure srom_latch [2021-12-18 14:06:41,706 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_latch [2021-12-18 14:06:41,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2021-12-18 14:06:41,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2021-12-18 14:06:41,707 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 14:06:41,707 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 14:06:41,707 INFO L130 BoogieDeclarations]: Found specification of procedure build_setup_frame [2021-12-18 14:06:41,707 INFO L138 BoogieDeclarations]: Found implementation of procedure build_setup_frame [2021-12-18 14:06:41,707 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2021-12-18 14:06:41,707 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2021-12-18 14:06:41,707 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2021-12-18 14:06:41,707 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2021-12-18 14:06:41,708 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-12-18 14:06:41,708 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-12-18 14:06:41,708 INFO L130 BoogieDeclarations]: Found specification of procedure DevicePresent [2021-12-18 14:06:41,708 INFO L138 BoogieDeclarations]: Found implementation of procedure DevicePresent [2021-12-18 14:06:41,708 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-12-18 14:06:41,708 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-12-18 14:06:41,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 14:06:41,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-18 14:06:41,709 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2021-12-18 14:06:41,709 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2021-12-18 14:06:41,709 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2021-12-18 14:06:41,709 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2021-12-18 14:06:41,709 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-18 14:06:41,709 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-18 14:06:41,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 14:06:41,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 14:06:41,710 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2021-12-18 14:06:41,710 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_sw_reset [2021-12-18 14:06:41,710 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_sw_reset [2021-12-18 14:06:41,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 14:06:41,710 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2021-12-18 14:06:41,710 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2021-12-18 14:06:41,710 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-12-18 14:06:41,711 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-12-18 14:06:41,711 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2021-12-18 14:06:41,711 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2021-12-18 14:06:41,711 INFO L130 BoogieDeclarations]: Found specification of procedure is_spd_100 [2021-12-18 14:06:41,711 INFO L138 BoogieDeclarations]: Found implementation of procedure is_spd_100 [2021-12-18 14:06:41,711 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-18 14:06:41,711 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-18 14:06:41,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 14:06:41,712 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-18 14:06:41,712 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-18 14:06:41,712 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_mii [2021-12-18 14:06:41,712 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_mii [2021-12-18 14:06:41,712 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_rx_buffs [2021-12-18 14:06:41,712 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_rx_buffs [2021-12-18 14:06:41,712 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-18 14:06:41,713 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-18 14:06:41,713 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-18 14:06:41,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-18 14:06:41,713 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-18 14:06:41,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-18 14:06:41,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 14:06:41,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-18 14:06:41,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-18 14:06:41,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 14:06:41,714 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-18 14:06:41,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-18 14:06:41,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 14:06:41,714 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 14:06:41,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-18 14:06:41,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-18 14:06:41,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-18 14:06:41,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-18 14:06:41,715 INFO L130 BoogieDeclarations]: Found specification of procedure ping_media [2021-12-18 14:06:41,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ping_media [2021-12-18 14:06:41,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-18 14:06:41,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-18 14:06:41,715 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2021-12-18 14:06:41,715 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2021-12-18 14:06:41,715 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-18 14:06:41,716 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-18 14:06:41,716 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-18 14:06:41,716 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-18 14:06:41,716 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_tx [2021-12-18 14:06:41,716 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_tx [2021-12-18 14:06:41,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-18 14:06:41,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-18 14:06:41,716 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-12-18 14:06:41,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-12-18 14:06:41,717 INFO L130 BoogieDeclarations]: Found specification of procedure srom_rd [2021-12-18 14:06:41,717 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_rd [2021-12-18 14:06:41,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 14:06:41,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-18 14:06:41,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-18 14:06:41,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-18 14:06:41,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-18 14:06:41,718 INFO L130 BoogieDeclarations]: Found specification of procedure SetMulticastFilter [2021-12-18 14:06:41,718 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMulticastFilter [2021-12-18 14:06:41,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 14:06:41,718 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ioctl [2021-12-18 14:06:41,718 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ioctl [2021-12-18 14:06:41,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 14:06:41,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 14:06:41,718 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-18 14:06:41,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-18 14:06:41,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 14:06:41,719 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 14:06:41,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 14:06:41,719 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_srom [2021-12-18 14:06:41,719 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_srom [2021-12-18 14:06:41,719 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-18 14:06:41,720 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-18 14:06:41,720 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 14:06:41,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 14:06:41,720 INFO L130 BoogieDeclarations]: Found specification of procedure mii_swap [2021-12-18 14:06:41,720 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_swap [2021-12-18 14:06:41,720 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_reset_phy [2021-12-18 14:06:41,720 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_reset_phy [2021-12-18 14:06:41,720 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_putb_cache [2021-12-18 14:06:41,720 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_putb_cache [2021-12-18 14:06:41,721 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-18 14:06:41,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-18 14:06:41,721 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2021-12-18 14:06:41,721 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2021-12-18 14:06:41,721 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 14:06:41,721 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 14:06:41,721 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_stats [2021-12-18 14:06:41,721 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_stats [2021-12-18 14:06:41,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-18 14:06:41,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-18 14:06:41,722 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-18 14:06:41,722 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-18 14:06:41,722 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init_connection [2021-12-18 14:06:41,722 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init_connection [2021-12-18 14:06:41,722 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wr [2021-12-18 14:06:41,722 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wr [2021-12-18 14:06:41,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 14:06:41,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 14:06:41,723 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_state [2021-12-18 14:06:41,723 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_state [2021-12-18 14:06:41,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-18 14:06:41,723 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-18 14:06:41,723 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2021-12-18 14:06:41,723 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2021-12-18 14:06:41,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 14:06:41,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 14:06:41,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 14:06:41,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 14:06:41,724 INFO L130 BoogieDeclarations]: Found specification of procedure reset_init_sia [2021-12-18 14:06:41,724 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_init_sia [2021-12-18 14:06:41,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 14:06:41,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 14:06:41,724 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-18 14:06:41,725 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-18 14:06:41,725 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_alloc_rx_buff [2021-12-18 14:06:41,725 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_alloc_rx_buff [2021-12-18 14:06:41,725 INFO L130 BoogieDeclarations]: Found specification of procedure test_for_100Mb [2021-12-18 14:06:41,725 INFO L138 BoogieDeclarations]: Found implementation of procedure test_for_100Mb [2021-12-18 14:06:41,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-18 14:06:41,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-18 14:06:41,725 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2021-12-18 14:06:41,726 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2021-12-18 14:06:41,726 INFO L130 BoogieDeclarations]: Found specification of procedure load_packet [2021-12-18 14:06:41,726 INFO L138 BoogieDeclarations]: Found implementation of procedure load_packet [2021-12-18 14:06:41,726 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2021-12-18 14:06:41,726 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2021-12-18 14:06:41,726 INFO L130 BoogieDeclarations]: Found specification of procedure is_100_up [2021-12-18 14:06:41,726 INFO L138 BoogieDeclarations]: Found implementation of procedure is_100_up [2021-12-18 14:06:41,726 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2021-12-18 14:06:41,727 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2021-12-18 14:06:41,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 14:06:41,727 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 14:06:41,727 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ta [2021-12-18 14:06:41,727 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ta [2021-12-18 14:06:41,727 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-18 14:06:41,727 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-18 14:06:41,727 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2021-12-18 14:06:41,728 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2021-12-18 14:06:41,728 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-12-18 14:06:41,728 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-12-18 14:06:41,728 INFO L130 BoogieDeclarations]: Found specification of procedure test_mii_reg [2021-12-18 14:06:41,728 INFO L138 BoogieDeclarations]: Found implementation of procedure test_mii_reg [2021-12-18 14:06:41,728 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_cache_state [2021-12-18 14:06:41,728 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_cache_state [2021-12-18 14:06:41,728 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-18 14:06:41,728 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-18 14:06:41,729 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_pci_remove [2021-12-18 14:06:41,729 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_pci_remove [2021-12-18 14:06:41,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 14:06:41,729 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_media [2021-12-18 14:06:41,729 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_media [2021-12-18 14:06:41,729 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2021-12-18 14:06:41,729 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2021-12-18 14:06:41,729 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2021-12-18 14:06:41,730 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2021-12-18 14:06:41,730 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rd [2021-12-18 14:06:41,730 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rd [2021-12-18 14:06:41,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 14:06:41,730 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2021-12-18 14:06:41,730 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2021-12-18 14:06:41,730 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2021-12-18 14:06:41,730 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2021-12-18 14:06:41,731 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2021-12-18 14:06:41,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2021-12-18 14:06:41,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 14:06:41,731 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-18 14:06:41,731 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-18 14:06:41,731 INFO L130 BoogieDeclarations]: Found specification of procedure is_10_up [2021-12-18 14:06:41,819 INFO L138 BoogieDeclarations]: Found implementation of procedure is_10_up [2021-12-18 14:06:41,820 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-18 14:06:41,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-18 14:06:41,820 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-12-18 14:06:41,820 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-12-18 14:06:41,820 INFO L130 BoogieDeclarations]: Found specification of procedure is_anc_capable [2021-12-18 14:06:41,820 INFO L138 BoogieDeclarations]: Found implementation of procedure is_anc_capable [2021-12-18 14:06:41,820 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2021-12-18 14:06:41,820 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2021-12-18 14:06:41,820 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-18 14:06:41,820 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-18 14:06:41,820 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-18 14:06:41,820 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-18 14:06:41,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-18 14:06:41,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-18 14:06:41,820 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2021-12-18 14:06:41,820 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2021-12-18 14:06:41,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-18 14:06:41,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-18 14:06:41,820 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2021-12-18 14:06:41,820 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2021-12-18 14:06:41,821 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_queue_pkt [2021-12-18 14:06:41,821 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_queue_pkt [2021-12-18 14:06:41,821 INFO L130 BoogieDeclarations]: Found specification of procedure test_media [2021-12-18 14:06:41,821 INFO L138 BoogieDeclarations]: Found implementation of procedure test_media [2021-12-18 14:06:41,821 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buffs [2021-12-18 14:06:41,821 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buffs [2021-12-18 14:06:41,821 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2021-12-18 14:06:41,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2021-12-18 14:06:41,821 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-18 14:06:41,821 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-18 14:06:41,821 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-18 14:06:41,821 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-18 14:06:41,821 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-18 14:06:41,821 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-18 14:06:41,821 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2021-12-18 14:06:41,821 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2021-12-18 14:06:41,821 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-18 14:06:41,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-18 14:06:41,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_73 [2021-12-18 14:06:41,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_73 [2021-12-18 14:06:41,821 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_infoleaf [2021-12-18 14:06:41,822 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_infoleaf [2021-12-18 14:06:41,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 14:06:41,822 INFO L130 BoogieDeclarations]: Found specification of procedure srom_exec [2021-12-18 14:06:41,822 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_exec [2021-12-18 14:06:41,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 14:06:41,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 14:06:41,822 INFO L130 BoogieDeclarations]: Found specification of procedure gep_wr [2021-12-18 14:06:41,822 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_wr [2021-12-18 14:06:41,822 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-18 14:06:41,822 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-18 14:06:41,822 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_srom [2021-12-18 14:06:41,822 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_srom [2021-12-18 14:06:41,822 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-18 14:06:41,822 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-18 14:06:41,822 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_cache [2021-12-18 14:06:41,822 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_cache [2021-12-18 14:06:41,822 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2021-12-18 14:06:41,822 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2021-12-18 14:06:41,822 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_mii [2021-12-18 14:06:41,822 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_mii [2021-12-18 14:06:41,822 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2021-12-18 14:06:41,822 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2021-12-18 14:06:41,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 14:06:41,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 14:06:41,823 INFO L130 BoogieDeclarations]: Found specification of procedure gep_rd [2021-12-18 14:06:41,823 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_rd [2021-12-18 14:06:41,823 INFO L130 BoogieDeclarations]: Found specification of procedure mii_address [2021-12-18 14:06:41,823 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_address [2021-12-18 14:06:41,823 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buff [2021-12-18 14:06:41,823 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buff [2021-12-18 14:06:41,823 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_setup_intr [2021-12-18 14:06:41,823 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_setup_intr [2021-12-18 14:06:41,823 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_save_skbs [2021-12-18 14:06:41,823 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_save_skbs [2021-12-18 14:06:41,823 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2021-12-18 14:06:41,823 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2021-12-18 14:06:41,823 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-18 14:06:41,823 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-18 14:06:41,823 INFO L130 BoogieDeclarations]: Found specification of procedure srom_map_media [2021-12-18 14:06:41,823 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_map_media [2021-12-18 14:06:41,823 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_strncmp [2021-12-18 14:06:41,823 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_strncmp [2021-12-18 14:06:41,823 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2021-12-18 14:06:41,823 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2021-12-18 14:06:41,824 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_close [2021-12-18 14:06:41,824 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_close [2021-12-18 14:06:41,824 INFO L130 BoogieDeclarations]: Found specification of procedure yawn [2021-12-18 14:06:41,824 INFO L138 BoogieDeclarations]: Found implementation of procedure yawn [2021-12-18 14:06:41,824 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wdata [2021-12-18 14:06:41,824 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wdata [2021-12-18 14:06:41,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 14:06:41,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-18 14:06:41,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-18 14:06:41,824 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-18 14:06:42,864 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 14:06:42,867 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 14:06:43,146 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 14:06:53,700 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-18 14:06:53,862 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 14:06:53,886 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 14:06:53,887 INFO L301 CfgBuilder]: Removed 17 assume(true) statements. [2021-12-18 14:06:53,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 02:06:53 BoogieIcfgContainer [2021-12-18 14:06:53,891 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 14:06:53,892 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 14:06:53,892 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 14:06:53,895 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 14:06:53,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 02:06:36" (1/3) ... [2021-12-18 14:06:53,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51cb95be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 02:06:53, skipping insertion in model container [2021-12-18 14:06:53,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:06:40" (2/3) ... [2021-12-18 14:06:53,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51cb95be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 02:06:53, skipping insertion in model container [2021-12-18 14:06:53,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 02:06:53" (3/3) ... [2021-12-18 14:06:53,898 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-12-18 14:06:53,902 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 14:06:53,902 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-18 14:06:53,954 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 14:06:53,969 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 14:06:53,969 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-18 14:06:54,033 INFO L276 IsEmpty]: Start isEmpty. Operand has 3959 states, 2824 states have (on average 1.3533994334277621) internal successors, (3822), 2886 states have internal predecessors, (3822), 996 states have call successors, (996), 153 states have call predecessors, (996), 152 states have return successors, (989), 975 states have call predecessors, (989), 989 states have call successors, (989) [2021-12-18 14:06:54,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-12-18 14:06:54,045 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:06:54,046 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:06:54,047 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 14:06:54,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:06:54,051 INFO L85 PathProgramCache]: Analyzing trace with hash -467583431, now seen corresponding path program 1 times [2021-12-18 14:06:54,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:06:54,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67011842] [2021-12-18 14:06:54,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:06:54,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:06:54,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:06:54,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:06:54,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:06:54,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:06:54,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:06:54,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:06:54,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:06:54,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:06:54,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:06:54,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:06:54,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:06:54,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:06:54,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:06:54,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:06:54,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:06:54,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:06:54,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:06:54,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:06:54,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:06:54,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:06:54,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:06:54,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:06:54,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:06:54,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:06:54,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:06:54,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:06:54,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:06:54,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:06:54,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:06:54,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:06:54,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:06:54,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:06:54,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:06:54,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:06:54,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:06:54,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:06:54,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:06:54,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:06:54,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:06:54,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:06:54,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:06:54,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:06:54,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:06:54,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:06:54,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:06:54,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:06:54,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:06:54,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:06:54,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:06:54,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:06:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:06:54,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:06:54,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:06:54,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:06:54,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:06:54,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:06:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:06:54,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:06:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:06:54,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:06:54,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:06:54,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-18 14:06:54,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:06:54,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:06:54,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:06:54,913 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-12-18 14:06:54,913 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:06:54,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67011842] [2021-12-18 14:06:54,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67011842] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:06:54,914 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:06:54,914 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 14:06:54,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295251724] [2021-12-18 14:06:54,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:06:54,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 14:06:54,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:06:54,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 14:06:54,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 14:06:54,949 INFO L87 Difference]: Start difference. First operand has 3959 states, 2824 states have (on average 1.3533994334277621) internal successors, (3822), 2886 states have internal predecessors, (3822), 996 states have call successors, (996), 153 states have call predecessors, (996), 152 states have return successors, (989), 975 states have call predecessors, (989), 989 states have call successors, (989) Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-18 14:06:57,059 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:06:59,072 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:07:09,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:07:09,688 INFO L93 Difference]: Finished difference Result 11984 states and 17999 transitions. [2021-12-18 14:07:09,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 14:07:09,690 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 189 [2021-12-18 14:07:09,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:07:09,751 INFO L225 Difference]: With dead ends: 11984 [2021-12-18 14:07:09,752 INFO L226 Difference]: Without dead ends: 8046 [2021-12-18 14:07:09,793 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:07:09,796 INFO L933 BasicCegarLoop]: 5350 mSDtfsCounter, 9144 mSDsluCounter, 4865 mSDsCounter, 0 mSdLazyCounter, 4352 mSolverCounterSat, 3961 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10014 SdHoareTripleChecker+Valid, 10215 SdHoareTripleChecker+Invalid, 8315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3961 IncrementalHoareTripleChecker+Valid, 4352 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2021-12-18 14:07:09,797 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10014 Valid, 10215 Invalid, 8315 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3961 Valid, 4352 Invalid, 2 Unknown, 0 Unchecked, 13.9s Time] [2021-12-18 14:07:09,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8046 states. [2021-12-18 14:07:10,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8046 to 7694. [2021-12-18 14:07:10,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7694 states, 5485 states have (on average 1.3522333637192343) internal successors, (7417), 5577 states have internal predecessors, (7417), 1905 states have call successors, (1905), 302 states have call predecessors, (1905), 301 states have return successors, (1902), 1874 states have call predecessors, (1902), 1902 states have call successors, (1902) [2021-12-18 14:07:10,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7694 states to 7694 states and 11224 transitions. [2021-12-18 14:07:10,351 INFO L78 Accepts]: Start accepts. Automaton has 7694 states and 11224 transitions. Word has length 189 [2021-12-18 14:07:10,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:07:10,356 INFO L470 AbstractCegarLoop]: Abstraction has 7694 states and 11224 transitions. [2021-12-18 14:07:10,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-18 14:07:10,357 INFO L276 IsEmpty]: Start isEmpty. Operand 7694 states and 11224 transitions. [2021-12-18 14:07:10,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-12-18 14:07:10,363 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:07:10,364 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:07:10,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 14:07:10,364 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 14:07:10,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:07:10,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1633531592, now seen corresponding path program 1 times [2021-12-18 14:07:10,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:07:10,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096866010] [2021-12-18 14:07:10,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:07:10,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:07:10,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:10,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:07:10,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:10,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:10,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:10,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:07:10,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:10,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:10,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:10,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:07:10,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:10,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:10,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:10,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:07:10,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:10,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:10,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:10,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:07:10,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:10,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:10,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:10,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:07:10,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:10,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:10,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:10,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:07:10,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:10,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:10,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:10,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:07:10,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:10,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:10,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:10,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:07:10,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:10,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:10,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:10,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:07:10,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:10,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:10,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:10,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:07:10,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:10,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:10,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:10,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:07:10,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:10,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:10,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:10,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:07:10,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:10,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:10,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:10,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:07:10,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:10,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:10,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:10,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:07:10,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:10,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:10,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:10,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-18 14:07:10,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:10,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-18 14:07:10,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:10,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-18 14:07:10,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:10,809 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-12-18 14:07:10,809 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:07:10,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096866010] [2021-12-18 14:07:10,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096866010] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:07:10,810 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:07:10,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 14:07:10,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908192546] [2021-12-18 14:07:10,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:07:10,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 14:07:10,812 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:07:10,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 14:07:10,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 14:07:10,812 INFO L87 Difference]: Start difference. First operand 7694 states and 11224 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-18 14:07:12,838 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:07:14,848 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:07:24,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:07:24,630 INFO L93 Difference]: Finished difference Result 23286 states and 34479 transitions. [2021-12-18 14:07:24,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 14:07:24,631 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 195 [2021-12-18 14:07:24,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:07:24,727 INFO L225 Difference]: With dead ends: 23286 [2021-12-18 14:07:24,728 INFO L226 Difference]: Without dead ends: 15627 [2021-12-18 14:07:24,764 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:07:24,765 INFO L933 BasicCegarLoop]: 5350 mSDtfsCounter, 8971 mSDsluCounter, 5085 mSDsCounter, 0 mSdLazyCounter, 4423 mSolverCounterSat, 4029 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9791 SdHoareTripleChecker+Valid, 10435 SdHoareTripleChecker+Invalid, 8454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4029 IncrementalHoareTripleChecker+Valid, 4423 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2021-12-18 14:07:24,766 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9791 Valid, 10435 Invalid, 8454 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4029 Valid, 4423 Invalid, 2 Unknown, 0 Unchecked, 13.1s Time] [2021-12-18 14:07:24,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15627 states. [2021-12-18 14:07:25,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15627 to 15201. [2021-12-18 14:07:25,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15201 states, 10863 states have (on average 1.3469575623676702) internal successors, (14632), 10957 states have internal predecessors, (14632), 3698 states have call successors, (3698), 600 states have call predecessors, (3698), 637 states have return successors, (4175), 3763 states have call predecessors, (4175), 3695 states have call successors, (4175) [2021-12-18 14:07:25,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15201 states to 15201 states and 22505 transitions. [2021-12-18 14:07:25,413 INFO L78 Accepts]: Start accepts. Automaton has 15201 states and 22505 transitions. Word has length 195 [2021-12-18 14:07:25,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:07:25,414 INFO L470 AbstractCegarLoop]: Abstraction has 15201 states and 22505 transitions. [2021-12-18 14:07:25,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-18 14:07:25,415 INFO L276 IsEmpty]: Start isEmpty. Operand 15201 states and 22505 transitions. [2021-12-18 14:07:25,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-12-18 14:07:25,420 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:07:25,420 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:07:25,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 14:07:25,421 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 14:07:25,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:07:25,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1814963991, now seen corresponding path program 1 times [2021-12-18 14:07:25,421 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:07:25,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005463512] [2021-12-18 14:07:25,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:07:25,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:07:25,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:25,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:07:25,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:25,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:25,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:25,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:07:25,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:25,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:25,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:25,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:07:25,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:25,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:25,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:25,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:07:25,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:25,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:25,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:25,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:07:25,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:25,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:25,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:25,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:07:25,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:25,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:25,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:25,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:07:25,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:25,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:25,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:25,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:07:25,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:25,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:25,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:25,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:07:25,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:25,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:25,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:25,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:07:25,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:25,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:25,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:25,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:07:25,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:25,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:25,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:25,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:07:25,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:25,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:25,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:25,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:07:25,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:25,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:25,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:25,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:07:25,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:25,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:25,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:25,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:07:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:25,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:25,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:25,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-18 14:07:25,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:25,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-18 14:07:25,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:25,804 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-12-18 14:07:25,805 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:07:25,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005463512] [2021-12-18 14:07:25,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005463512] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:07:25,806 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:07:25,806 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 14:07:25,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828226119] [2021-12-18 14:07:25,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:07:25,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 14:07:25,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:07:25,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 14:07:25,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 14:07:25,809 INFO L87 Difference]: Start difference. First operand 15201 states and 22505 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-18 14:07:27,530 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:07:29,546 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:07:38,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:07:38,591 INFO L93 Difference]: Finished difference Result 46139 states and 68664 transitions. [2021-12-18 14:07:38,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 14:07:38,591 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 205 [2021-12-18 14:07:38,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:07:38,780 INFO L225 Difference]: With dead ends: 46139 [2021-12-18 14:07:38,780 INFO L226 Difference]: Without dead ends: 30973 [2021-12-18 14:07:38,868 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:07:38,873 INFO L933 BasicCegarLoop]: 5335 mSDtfsCounter, 9094 mSDsluCounter, 4865 mSDsCounter, 0 mSdLazyCounter, 4381 mSolverCounterSat, 4007 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9957 SdHoareTripleChecker+Valid, 10200 SdHoareTripleChecker+Invalid, 8389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4007 IncrementalHoareTripleChecker+Valid, 4381 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2021-12-18 14:07:38,874 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9957 Valid, 10200 Invalid, 8389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4007 Valid, 4381 Invalid, 1 Unknown, 0 Unchecked, 11.8s Time] [2021-12-18 14:07:38,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30973 states. [2021-12-18 14:07:40,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30973 to 30449. [2021-12-18 14:07:40,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30449 states, 21795 states have (on average 1.3443450332645102) internal successors, (29300), 21887 states have internal predecessors, (29300), 7340 states have call successors, (7340), 1198 states have call predecessors, (7340), 1311 states have return successors, (8613), 7603 states have call predecessors, (8613), 7337 states have call successors, (8613) [2021-12-18 14:07:40,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30449 states to 30449 states and 45253 transitions. [2021-12-18 14:07:40,357 INFO L78 Accepts]: Start accepts. Automaton has 30449 states and 45253 transitions. Word has length 205 [2021-12-18 14:07:40,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:07:40,359 INFO L470 AbstractCegarLoop]: Abstraction has 30449 states and 45253 transitions. [2021-12-18 14:07:40,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-18 14:07:40,360 INFO L276 IsEmpty]: Start isEmpty. Operand 30449 states and 45253 transitions. [2021-12-18 14:07:40,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-12-18 14:07:40,364 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:07:40,365 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:07:40,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 14:07:40,365 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 14:07:40,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:07:40,366 INFO L85 PathProgramCache]: Analyzing trace with hash -202220775, now seen corresponding path program 1 times [2021-12-18 14:07:40,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:07:40,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268484364] [2021-12-18 14:07:40,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:07:40,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:07:40,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:40,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:07:40,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:40,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:40,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:40,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:07:40,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:40,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:40,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:40,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:07:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:40,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:40,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:40,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:07:40,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:40,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:40,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:40,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:07:40,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:40,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:40,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:40,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:07:40,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:40,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:40,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:40,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:07:40,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:40,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:40,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:40,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:07:40,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:40,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:40,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:40,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:07:40,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:40,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:40,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:40,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:07:40,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:40,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:40,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:40,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:07:40,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:40,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:40,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:40,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:07:40,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:40,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:40,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:40,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:07:40,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:40,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:40,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:40,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:07:40,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:40,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:40,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:40,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:07:40,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:40,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:40,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:40,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-18 14:07:40,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:40,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:07:40,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:40,701 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-12-18 14:07:40,701 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:07:40,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268484364] [2021-12-18 14:07:40,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268484364] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:07:40,701 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:07:40,701 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 14:07:40,702 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87903100] [2021-12-18 14:07:40,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:07:40,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 14:07:40,703 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:07:40,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 14:07:40,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 14:07:40,703 INFO L87 Difference]: Start difference. First operand 30449 states and 45253 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-18 14:07:42,152 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:07:43,989 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:07:54,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:07:54,741 INFO L93 Difference]: Finished difference Result 91901 states and 136942 transitions. [2021-12-18 14:07:54,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 14:07:54,742 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 206 [2021-12-18 14:07:54,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:07:55,100 INFO L225 Difference]: With dead ends: 91901 [2021-12-18 14:07:55,100 INFO L226 Difference]: Without dead ends: 61487 [2021-12-18 14:07:55,258 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:07:55,261 INFO L933 BasicCegarLoop]: 5331 mSDtfsCounter, 9092 mSDsluCounter, 4856 mSDsCounter, 0 mSdLazyCounter, 4384 mSolverCounterSat, 4005 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9955 SdHoareTripleChecker+Valid, 10187 SdHoareTripleChecker+Invalid, 8389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4005 IncrementalHoareTripleChecker+Valid, 4384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2021-12-18 14:07:55,262 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9955 Valid, 10187 Invalid, 8389 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4005 Valid, 4384 Invalid, 0 Unknown, 0 Unchecked, 12.3s Time] [2021-12-18 14:07:55,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61487 states. [2021-12-18 14:07:57,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61487 to 60765. [2021-12-18 14:07:57,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60765 states, 43519 states have (on average 1.3430455663043728) internal successors, (58448), 43607 states have internal predecessors, (58448), 14584 states have call successors, (14584), 2394 states have call predecessors, (14584), 2659 states have return successors, (17441), 15243 states have call predecessors, (17441), 14581 states have call successors, (17441) [2021-12-18 14:07:57,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60765 states to 60765 states and 90473 transitions. [2021-12-18 14:07:57,665 INFO L78 Accepts]: Start accepts. Automaton has 60765 states and 90473 transitions. Word has length 206 [2021-12-18 14:07:57,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:07:57,666 INFO L470 AbstractCegarLoop]: Abstraction has 60765 states and 90473 transitions. [2021-12-18 14:07:57,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-18 14:07:57,667 INFO L276 IsEmpty]: Start isEmpty. Operand 60765 states and 90473 transitions. [2021-12-18 14:07:57,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-12-18 14:07:57,670 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:07:57,670 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:07:57,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 14:07:57,671 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 14:07:57,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:07:57,671 INFO L85 PathProgramCache]: Analyzing trace with hash 468691212, now seen corresponding path program 1 times [2021-12-18 14:07:57,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:07:57,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783897985] [2021-12-18 14:07:57,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:07:57,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:07:57,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:58,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:07:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:58,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:58,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:58,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:07:58,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:58,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:58,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:58,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:07:58,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:58,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:58,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:07:58,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:58,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:58,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:58,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:07:58,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:58,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:58,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:07:58,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:58,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:58,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:58,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:07:58,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:58,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:58,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:58,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:07:58,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:58,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:58,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:07:58,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:58,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:58,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:58,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:07:58,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:58,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:58,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:58,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:07:58,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:58,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:58,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:58,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:07:58,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:58,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:58,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:58,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:07:58,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:58,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:58,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:58,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:07:58,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:58,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:58,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:58,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:07:58,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:58,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:07:58,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:58,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-18 14:07:58,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:58,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-18 14:07:58,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:07:58,321 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-12-18 14:07:58,322 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:07:58,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783897985] [2021-12-18 14:07:58,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783897985] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:07:58,322 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:07:58,322 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 14:07:58,324 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92070144] [2021-12-18 14:07:58,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:07:58,324 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 14:07:58,324 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:07:58,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 14:07:58,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 14:07:58,325 INFO L87 Difference]: Start difference. First operand 60765 states and 90473 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-18 14:08:00,470 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:08:02,482 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:08:13,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:08:13,836 INFO L93 Difference]: Finished difference Result 182885 states and 272690 transitions. [2021-12-18 14:08:13,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 14:08:13,837 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 207 [2021-12-18 14:08:13,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:08:14,838 INFO L225 Difference]: With dead ends: 182885 [2021-12-18 14:08:14,839 INFO L226 Difference]: Without dead ends: 122155 [2021-12-18 14:08:15,143 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:08:15,144 INFO L933 BasicCegarLoop]: 5329 mSDtfsCounter, 9091 mSDsluCounter, 4853 mSDsCounter, 0 mSdLazyCounter, 4382 mSolverCounterSat, 4005 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9955 SdHoareTripleChecker+Valid, 10182 SdHoareTripleChecker+Invalid, 8389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4005 IncrementalHoareTripleChecker+Valid, 4382 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2021-12-18 14:08:15,144 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9955 Valid, 10182 Invalid, 8389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4005 Valid, 4382 Invalid, 2 Unknown, 0 Unchecked, 12.3s Time] [2021-12-18 14:08:15,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122155 states. [2021-12-18 14:08:19,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122155 to 121037. [2021-12-18 14:08:19,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121037 states, 86687 states have (on average 1.3423927463172103) internal successors, (116368), 86767 states have internal predecessors, (116368), 28992 states have call successors, (28992), 4786 states have call predecessors, (28992), 5355 states have return successors, (35021), 30443 states have call predecessors, (35021), 28989 states have call successors, (35021) [2021-12-18 14:08:20,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121037 states to 121037 states and 180381 transitions. [2021-12-18 14:08:20,053 INFO L78 Accepts]: Start accepts. Automaton has 121037 states and 180381 transitions. Word has length 207 [2021-12-18 14:08:20,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:08:20,054 INFO L470 AbstractCegarLoop]: Abstraction has 121037 states and 180381 transitions. [2021-12-18 14:08:20,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-18 14:08:20,054 INFO L276 IsEmpty]: Start isEmpty. Operand 121037 states and 180381 transitions. [2021-12-18 14:08:20,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-12-18 14:08:20,060 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:08:20,060 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:08:20,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 14:08:20,060 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 14:08:20,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:08:20,061 INFO L85 PathProgramCache]: Analyzing trace with hash 2007606172, now seen corresponding path program 1 times [2021-12-18 14:08:20,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:08:20,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543931583] [2021-12-18 14:08:20,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:08:20,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:08:20,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:20,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:08:20,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:20,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:08:20,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:20,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:08:20,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:20,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:08:20,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:20,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:08:20,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:20,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:08:20,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:20,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:08:20,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:20,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:08:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:20,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:08:20,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:20,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:08:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:20,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:08:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:20,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:08:20,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:20,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:08:20,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:20,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:08:20,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:20,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:08:20,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:20,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:08:20,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:20,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:08:20,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:20,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:08:20,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:20,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:08:20,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:20,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:08:20,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:20,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:08:20,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:20,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:08:20,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:20,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:08:20,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:20,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:08:20,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:20,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:08:20,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:20,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:08:20,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:20,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:08:20,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:20,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:08:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:20,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:08:20,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:20,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:08:20,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:20,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-18 14:08:20,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:20,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-18 14:08:20,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:20,567 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-12-18 14:08:20,568 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:08:20,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543931583] [2021-12-18 14:08:20,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543931583] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:08:20,568 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:08:20,568 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 14:08:20,568 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026155573] [2021-12-18 14:08:20,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:08:20,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 14:08:20,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:08:20,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 14:08:20,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 14:08:20,570 INFO L87 Difference]: Start difference. First operand 121037 states and 180381 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-18 14:08:22,596 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:08:24,611 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:08:41,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:08:41,039 INFO L93 Difference]: Finished difference Result 362799 states and 541188 transitions. [2021-12-18 14:08:41,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 14:08:41,039 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 208 [2021-12-18 14:08:41,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:08:42,699 INFO L225 Difference]: With dead ends: 362799 [2021-12-18 14:08:42,699 INFO L226 Difference]: Without dead ends: 241797 [2021-12-18 14:08:43,473 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:08:43,474 INFO L933 BasicCegarLoop]: 5332 mSDtfsCounter, 9088 mSDsluCounter, 4854 mSDsCounter, 0 mSdLazyCounter, 4382 mSolverCounterSat, 4005 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9951 SdHoareTripleChecker+Valid, 10186 SdHoareTripleChecker+Invalid, 8389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4005 IncrementalHoareTripleChecker+Valid, 4382 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2021-12-18 14:08:43,474 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9951 Valid, 10186 Invalid, 8389 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4005 Valid, 4382 Invalid, 2 Unknown, 0 Unchecked, 14.0s Time] [2021-12-18 14:08:43,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241797 states. [2021-12-18 14:08:51,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241797 to 239839. [2021-12-18 14:08:51,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239839 states, 171773 states have (on average 1.3422947727524117) internal successors, (230570), 171817 states have internal predecessors, (230570), 57370 states have call successors, (57370), 9518 states have call predecessors, (57370), 10693 states have return successors, (69743), 60409 states have call predecessors, (69743), 57367 states have call successors, (69743) [2021-12-18 14:08:53,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239839 states to 239839 states and 357683 transitions. [2021-12-18 14:08:53,724 INFO L78 Accepts]: Start accepts. Automaton has 239839 states and 357683 transitions. Word has length 208 [2021-12-18 14:08:53,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:08:53,725 INFO L470 AbstractCegarLoop]: Abstraction has 239839 states and 357683 transitions. [2021-12-18 14:08:53,725 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-18 14:08:53,725 INFO L276 IsEmpty]: Start isEmpty. Operand 239839 states and 357683 transitions. [2021-12-18 14:08:53,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-12-18 14:08:53,735 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:08:53,735 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:08:53,735 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 14:08:53,735 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 14:08:53,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:08:53,736 INFO L85 PathProgramCache]: Analyzing trace with hash -701920792, now seen corresponding path program 1 times [2021-12-18 14:08:53,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:08:53,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438470099] [2021-12-18 14:08:53,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:08:53,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:08:53,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:53,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:08:53,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:53,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:08:53,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:53,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:08:53,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:53,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:08:53,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:54,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:08:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:54,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:08:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:54,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:08:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:54,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:08:54,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:54,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:08:54,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:54,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:08:54,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:54,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:08:54,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:54,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:08:54,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:54,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:08:54,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:54,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:08:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:54,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:08:54,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:54,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:08:54,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:54,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:08:54,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:54,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:08:54,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:54,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:08:54,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:54,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:08:54,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:54,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:08:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:54,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:08:54,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:54,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:08:54,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:54,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:08:54,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:54,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:08:54,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:54,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:08:54,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:54,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:08:54,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:54,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:08:54,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:54,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:08:54,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:54,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:08:54,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:54,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-18 14:08:54,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:54,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-18 14:08:54,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:54,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 14:08:54,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:54,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-18 14:08:54,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:54,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-18 14:08:54,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:54,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:08:54,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:54,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-18 14:08:54,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:54,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-18 14:08:54,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:54,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-18 14:08:54,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:08:54,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1173 trivial. 0 not checked. [2021-12-18 14:08:54,302 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:08:54,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438470099] [2021-12-18 14:08:54,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438470099] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:08:54,303 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:08:54,303 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 14:08:54,303 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347416950] [2021-12-18 14:08:54,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:08:54,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 14:08:54,304 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:08:54,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 14:08:54,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 14:08:54,305 INFO L87 Difference]: Start difference. First operand 239839 states and 357683 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-18 14:08:56,329 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:09:09,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:09:09,147 INFO L93 Difference]: Finished difference Result 241675 states and 360565 transitions. [2021-12-18 14:09:09,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 14:09:09,148 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 241 [2021-12-18 14:09:09,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:09:10,767 INFO L225 Difference]: With dead ends: 241675 [2021-12-18 14:09:10,767 INFO L226 Difference]: Without dead ends: 241673 [2021-12-18 14:09:10,891 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-18 14:09:10,892 INFO L933 BasicCegarLoop]: 5017 mSDtfsCounter, 6718 mSDsluCounter, 8323 mSDsCounter, 0 mSdLazyCounter, 5581 mSolverCounterSat, 2975 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6990 SdHoareTripleChecker+Valid, 13340 SdHoareTripleChecker+Invalid, 8557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2975 IncrementalHoareTripleChecker+Valid, 5581 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2021-12-18 14:09:10,892 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6990 Valid, 13340 Invalid, 8557 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2975 Valid, 5581 Invalid, 1 Unknown, 0 Unchecked, 9.8s Time] [2021-12-18 14:09:11,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241673 states. [2021-12-18 14:09:18,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241673 to 239843. [2021-12-18 14:09:18,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239843 states, 171776 states have (on average 1.3422887947093889) internal successors, (230573), 171820 states have internal predecessors, (230573), 57370 states have call successors, (57370), 9519 states have call predecessors, (57370), 10694 states have return successors, (69743), 60409 states have call predecessors, (69743), 57367 states have call successors, (69743)